#271D4A
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.08 290.2), rgb(39, 29, 74).
Aa
White text reads best on this color (15.43:1).
About this color
#271D4A is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.080 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.047 away. White text reads best on it, at 15.43:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.43:1 |
Values
| HEX | #271D4A |
| RGB | rgb(39, 29, 74) |
| HSL | hsl(253, 44%, 20%) |
| OKLCH | oklch(27% 0.08 290.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #271D4A | 15.43:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #271D4A | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #271D4A text on white | 15.43:1 | AAA | Lc 102.2 | Preferred for body text |
| #271D4A text on black | 1.36:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FA
oklch(88.5% 0.052 290.1)
-
Step 300
300
#BFB6FA
oklch(80.8% 0.095 290.2)
-
Step 400
400
#A18EF8
oklch(70.8% 0.152 290.2)
-
Step 500
500
#8C6DF4
oklch(63.1% 0.194 290.3)
-
Step 600
600
#7850E3
oklch(55.6% 0.211 290.4)
-
Step 700
700
#653FC5
oklch(49.1% 0.197 290.3)
-
Step 800
800
#52359F
oklch(42.6% 0.163 290.4)
-
Step 900
900
#43307F
oklch(37.7% 0.128 290)
-
Step 950
950 (this color)
#271D4A
oklch(27% 0.08 290.2)
#271D4A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #07254C | 0.046 |
| Deuteranopia (no green cones) | #082349 | 0.045 |
| Tritanopia (no blue cones) | #1D2730 | 0.066 |
| Achromatopsia (no color) | #242424 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #271D4A
#271D4A
oklch(27% 0.08 290.2)
- #282800
#282800
oklch(26.8% 0.058 109.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #271D4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.047
- Dark Indigo #1F0954 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.056
- Dark Purple #35063E ΔE 0.059
- Dark #1B2431 ΔE 0.060
- Deep Purple #36013F ΔE 0.067
- Eggplant #380835 ΔE 0.067
- Marine #042E60 ΔE 0.067
Use #271D4A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.